this post was submitted on 01 Jun 2025
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Text: Allows you to determine whether to limit CPUID maximum value. Set this to enabled for legacy operating systems such as Linux or Unix.

Found this in the BIOS of a Gigabyte Z97X-UD3H mobo.

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[–] hperrin@lemmy.ca 58 points 3 days ago (1 children)

I run an email service called Port87. I was reading some copy to a friend who resells MS Exchange services and I said “legacy email services, such as Microsoft Exchange”, and he got a bit offended. That was much more accurate than this, and he still felt offended.

[–] Iheartcheese@lemmy.world 27 points 3 days ago* (last edited 3 days ago) (1 children)

I hope it keeps him up at night. I hope your 'that asshole' he thinks about at 2am.

[–] SpaceNoodle@lemmy.world 35 points 3 days ago (1 children)

I like when my friends stay up thinking about my asshole

[–] Iheartcheese@lemmy.world 16 points 3 days ago (1 children)

It the little things in life

[–] k_rol@lemmy.ca 14 points 3 days ago* (last edited 3 days ago)

It's not that little anymore though

[–] flubba86@lemmy.world 51 points 3 days ago (2 children)

I get how this could be interpreted as offensive, but I think it is just poorly worded.

This option is for if you are using a legacy version of Linux such as 2.6.x (eg, on an old RedHat distro that your business systems are designed to be run on).

This enables a compatibility mode so the old kernels don't complain.

[–] Jesus_666@lemmy.world 41 points 3 days ago (1 children)

Given the usual quality of BIOS/UEFI option descriptions it's remarkably close to being sensible. I would've expected something like "enables limiting CPUID maximum value".

[–] user224 26 points 3 days ago

Set to "Enable" to enable the feature.

It's really just that Linux is the only thing where it's possible to run an envient version on modern hardware

[–] nanook@friendica.eskimo.com 3 points 3 days ago

@robber Even though I said yes in the bios, cpuid still shows max id of 64 which
is reasonable for an 18 core 36 thread CPU. So it seems the Linux kernel figures it out on it's own.